Alliant Techsystems Operations LLC · Electronic Components
1201990-2
Adapter, Connector
Part Number1201990-2
ManufacturerAlliant Techsystems Operations LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-066-3553 (NSN)
Federal Item NameADAPTER,CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Contact Surface TreatmentGOLD AND COPPER ALL MATING ENDS ALL CONTACT GROUPINGS
Thread Quantity Per Inch36
Contact Surface Treatment DocumentMIL-G-45204 TY 1,GRADE C,CL 2 MIL SPEC 2ND TREATMENT RESPONSE AND MIL-C-14550,CL IV MIL SPEC 1ST TREATMENT RESPONSE ALL
Thread Class2B AND 2A
Shell Surface Treatment Document AQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Radio Frequency Type Contact Chara50.0 ALL MATING ENDS ALL CONTACT GROUPINGS
Precious MaterialGOLD
Nominal Thread Size0.250 INCHES
Precious Material And LocationCONTACT SURFACES GOLD
Threaded Device TypeCOUPLING FACILITY
Thread Series DesignatorUNS
Vendor Part NumbersR 125 704 001, 50-674-0000-89, W41250-N6403-A77
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 1201990-2 available?
We can source 1201990-2 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 1201990-2 by Alliant Techsystems Operations LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1201990-2 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 1201990-2?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 1201990-2?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.